AT-5555NII is a upgraded version of AT-5555N, Frequency Range: 28.000 to 29.699 MHz. Frequency Coverage: 28.000 to 29.699 MHz. Dimensions: 7.8 x 2.4 x 10 in (W x H x D), Weight: 3.3 LBS. Flexible Menu Function and PC Program Software. You can download FREE SOFTWARE at AnyTone Official Website or contact to us. Features: Big LCD displays frequency and all kinds of information. HI-CUT, NB/ANL, DW DUAL-WATCH, TOT, SWR Protection Functions. CTCSS/DCS Code/VOX Function/TX and RX Noise Reduction. Compatible with electronic and dynamic MIC type. WX weather channel/Weather Alert. Frequency Tuning Step 100Hz? 1KHz? 10KHz? 100KHz? 1MHz. ±1.5KHz CLARLFILER Adjustment. RF GAIN Adjustment/RF PWR Adjustment. SCAN Function/Programmable RB Function/NB/ANL Function. DW DUAL-WATCH Function/Offset Frequency Function. BEEP Voice Prompt/+10KHZ Function/SIG? PWR? SWR Function. TOT function/HI-CUT Function/EMG Channel Function. SWR Protection/Power Supply Voltage Protection/Key-Lock Function. Six(6) Groups Memory Channel/Model Name Customized Function. 28.000-29.700MHz(Programmable). 40channels(programmable)in each band. With push-to-talk/UP/DN and coiled cord. SSB: 3rd order, more than -25dB; 5th order, more than -35dB. SSB: 0.25? V for 10dB(S+N)/N at greater than 1/2-watt of audio output. FM: 1.0? V for 20 dB (S+N)/N at greater than 1/2 watt of audio output. 3 watts into 8 ohms. What’s in the box? AT-5555N(10 Meter Radio)1. Manual in English language1.